Finding the Fourth Proportional to 5,538,664.67, 8,311,708.09 and 1,944,442.29
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Solution
The fourth proportional to 5,538,664.67, 8,311,708.09 and 1,944,442.29 is: 2,917,966.27
Step by Step Solution
- Step 1: Write the proportion equation
5,538,664.67 : 8,311,708.09 = 1,944,442.29 : x - Step 2: Convert to fraction form
5,538,664.67/8,311,708.09 = 1,944,442.29/x - Step 3: Cross multiply
5,538,664.67x = 8,311,708.09 × 1,944,442.29 - Step 4: Simplify right side
5,538,664.67x = 16,161,636,712,331.13 - Step 5: Solve for x
x = 16,161,636,712,331.13/5,538,664.67 - Step 6: Final answer
x = 2,917,966.27
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.